waveshare XPT2046

Waveshare 3.5-inch Resistive Touch Screen TFT LCD XPT2046 User Manual

Модель: XPT2046

1. Продукт закінчивсяview

The Waveshare 3.5-inch Resistive Touch Screen TFT LCD (model XPT2046) is a compact display designed for use with various Raspberry Pi revisions (B+/2B/3B/3B+). It features a 480x320 hardware resolution and resistive touch control, enabling direct interaction without a separate keyboard or mouse. The display utilizes 125MHz high-speed SPI for clear and stable signal transmission.

This display supports FBCP software drivers, allowing for configurable software resolution and dual-display setups. Drivers are provided for popular Raspberry Pi operating systems such as Raspbian, Ubuntu, Kali, and Retropie. Its immersion gold surface plating ensures high quality and durability.

Waveshare 3.5-inch LCD module showing the PCB and components

Figure 1: Waveshare 3.5-inch RPi LCD (C) module, displaying its circuit board and components.

2. Вміст упаковки

  • 3.5inch RPi LCD (C) x1
  • Сенсорне перо x1
  • RPi screws pack (2pcs) x1

3. Інструкції з налаштування

3.1. Фізичне підключення

The 3.5-inch RPi LCD (C) is designed for direct plug-in compatibility with Raspberry Pi models B+, 2B, 3B, and 3B+. Align the display's GPIO pins with the Raspberry Pi's GPIO header and gently press down to ensure a secure connection. The included screws can be used to further secure the display to the Raspberry Pi, providing stability.

Waveshare 3.5-inch LCD mounted on a Raspberry Pi, viewed from the back showing USB and Ethernet ports.

Figure 2: The 3.5-inch LCD display securely mounted on a Raspberry Pi.

3.2. Конфігурація програмного забезпечення

To enable the display and touch functionality, specific drivers are required. Waveshare provides drivers compatible with various Raspberry Pi operating systems, including Raspbian, Ubuntu, Kali, and Retropie. Refer to the official Waveshare product page or documentation for detailed instructions on driver installation for your specific OS. The display also supports FBCP (Frame Buffer Copy) software drivers, which allow for flexible configuration of software resolution and the setup of dual-display environments.

After installing the drivers, you may need to configure the system to output to the SPI display. This typically involves modifying configuration files (e.g., /boot/config.txt) to enable SPI and set the correct display parameters. Detailed steps are available in the Waveshare documentation.

4. Інструкція з експлуатації

4.1. Основна операція

The 3.5-inch LCD features resistive touch control. Use the provided touch pen or a gentle finger press to interact with the screen. Resistive touch screens respond to pressure, so a light but firm touch is usually sufficient. Calibration may be required after initial setup to ensure accurate touch response.

Waveshare 3.5-inch LCD displaying a Raspberry Pi desktop environment with various application icons.

Figure 3: The display showing a typical Raspberry Pi desktop interface.

4.2. Key Features in Use

  • Відтворення відео: With a refresh rate up to 50Hz when combined with the Raspberry Pi, the display is capable of playing various video formats, such as MP4.
  • Ігри: Enjoy playing video games, including those supported by RetroPie, directly on the compact screen.
  • Фотографія: Utilize the touch screen for camera control, supporting multiple camera modes if configured with a compatible camera module.
  • Програмна клавіатура: Interact with the system using an on-screen software keyboard, eliminating the need for external keyboard and mouse peripherals.
Waveshare 3.5-inch LCD displaying a web browser on a Raspberry Pi, showing the Raspberry Pi webсайт.

малюнок 4: Web browsing on the 3.5-inch display.

Під кутом view of the Waveshare 3.5-inch LCD mounted on a Raspberry Pi, displaying a vibrant, colorful image.

Figure 5: The display showcasing a high-quality image while mounted on a Raspberry Pi.

5. Технічне обслуговування

5.1. Догляд і очищення

To maintain the longevity and performance of your Waveshare 3.5-inch LCD, follow these guidelines:

  • Очищення екрану: Використовуйте м’яку тканину без ворсу, злегкаampened with water or a screen-cleaning solution, to gently wipe the display surface. Avoid harsh chemicals, abrasive materials, or excessive moisture.
  • Обробка: Avoid applying excessive pressure to the screen, especially with sharp objects, as this can damage the resistive touch layer. Always use the provided touch pen for best results.
  • Зберігання: When not in use, store the display in a clean, dry environment, away from direct sunlight and extreme temperatures.
  • Умови навколишнього середовища: Operate the display within recommended temperature and humidity ranges to prevent damage.

6. Вирішення проблем

6.1. Поширені проблеми

  • Дисплей не працює:
    • Ensure the display is correctly and securely plugged into the Raspberry Pi's GPIO header.
    • Verify that the necessary drivers are installed and configured correctly for your operating system.
    • Check the Raspberry Pi's power supply to ensure it provides sufficient current for both the Pi and the display.
  • Touch Function Not Responding:
    • Confirm that the touch screen drivers are installed and loaded.
    • Perform a touch screen calibration if available in your OS settings.
    • Ensure you are using a suitable object (like the provided touch pen) and applying appropriate pressure.
  • Incorrect Display Orientation/Resolution:
    • Review your software configuration files (e.g., /boot/config.txt) for correct rotation and resolution settings.
    • Reinstall or update display drivers.

7. Технічні характеристики

7.1. Key Parameters

ПараметрЗначення
Тип РКTFT
РК-інтерфейсSPI
Тип сенсорного екранаРезистивний
Контролер сенсорного екрануXPT2046
Кольори65536
ПідсвічуванняLED
роздільна здатність480x320 (Pixel)
Співвідношення сторін1.50:1 (3:2)
Розмір дисплея стоячого екрана3.5 дюймів
Опис поверхні екранаГлянцевий
Номер моделі товаруXPT2046

7.2. Interface Pinout

ПІН -код НІ.СИМВОЛОПИС
1, 173.3 ВПозитивне живлення (вхід живлення 3.3 В)
2, 45VПозитивне живлення (вхід живлення 5 В)
3, 5, 7, 8, 10, 12, 13, 15, 16NCNC
6, 9, 14, 20, 25GNDЗемля
11TP_IRQTouch Panel Interrupt, low level while the Touch Panel detects touching
18LCD_RSВибір інструкцій/реєстру даних
19LCD_SI / TP_SIВведення даних SPI РК/сенсорної панелі
21TP_SOВиведення даних SPI сенсорної панелі
22RSTСкинути
23LCD_SCK / TP_SCKГодинник SPI РК/сенсорної панелі
24LCD_CSРК-мікросхема, низькоактивна
26TP_CSВибір чіпа сенсорної панелі, низький активний
Table showing key parameters and interface pinout for the Waveshare 3.5-inch LCD.

Figure 6: Detailed technical specifications and pinout diagram.

7.3. Фізичні розміри

Diagram showing the physical dimensions of the Waveshare 3.5-inch LCD, with measurements 85.42mm by 55.60mm.

Figure 7: Dimensions of the 3.5-inch RPi LCD (C).

8. Гарантія та підтримка

8.1. Інформація про гарантію

Specific warranty details for the Waveshare 3.5-inch Resistive Touch Screen TFT LCD XPT2046 are not provided in this manual. Please refer to the Waveshare official website or contact your point of purchase for current warranty terms and conditions.

8.2. Технічна підтримка

For technical assistance, driver downloads, or further documentation, please visit the official Waveshare website. You may also contact Waveshare customer support directly for specialized help with product installation, configuration, or troubleshooting beyond the scope of this manual.

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